<?php

class UserGroupsController extends Controller {
    public function init() {
        $this->layout = 'contents';
    }
    
    const PAGE_SIZE = 12;

    /**
     * @var CActiveRecord the currently loaded data model instance.
     */
    private $_model;

    /**
     * @return array action filters
     */
    public function filters() {
        return array(
            'accessControl', // perform access control for CRUD operations
        );
    }

    /**
     * Specifies the access control rules.
     * This method is used by the 'accessControl' filter.
     * @return array access control rules
     */
    public function accessRules() {
        return array(
            array('allow',  // allow all users to perform 'index' and 'view' actions
                'actions'=>array('index','view'),
                'users'=>array('*'),
            ),
            array('allow', // allow authenticated user to perform 'create' and 'update' actions
                'actions'=>array('create','update'),
                'users'=>array('@'),
            ),
            array('allow', // allow admin user to perform 'admin' and 'delete' actions
                'actions'=>array('admin','delete'),
                'users'=>array('admin'),
            ),
            array('deny',  // deny all users
                'users'=>array('*'),
            ),
        );
    }

    /**
     * Creates a new model.
     * If creation is successful, the browser will be redirected to the 'view' page.
     */
    public function actionCreate() {
        $model = new UserGroup;
        if (isset($_POST['UserGroup'])) {
            $model->attributes = $_POST['UserGroup'];
            if ($model->save()) {
                $this->redirect(array('index'));
            }
        }

        $this->render('create', array(
            'model' => $model,
        ));
    }

    /**
     * Updates a particular model.
     * If update is successful, the browser will be redirected to the 'view' page.
     */
    public function actionUpdate() {
        $model = $this->loadModel();
        if (isset($_POST['UserGroup'])) {
            $model->attributes = $_POST['UserGroup'];
            if ($model->save()) {
                $this->redirect(array('index'));
            }
        }

        $this->render('update', array(
            'model' => $model,
        ));
    }

    /**
     * Deletes a particular model.
     * If deletion is successful, the browser will be redirected to the 'index' page.
     */
    public function actionDelete() {
        if (Yii::app()->request->isPostRequest) {
            $delete = Yii::app()->request->getPost('delete');
            if (count($delete)) {
                foreach ($delete as $id) {
                    UserGroup::model()->findByPk($id)->delete();
                }
            }

            $this->redirect(array('index'));
        } else {
            throw new CHttpException(400, 'Invalid request. Please do not repeat this request again.');
        }
    }

    /**
     * Lists all models.
     */
    public function actionIndex() {
        $criteria = new CDbCriteria;
//        $criteria->order = 'id ASC';

        $pages = new CPagination(UserGroup::model()->count($criteria));
        $pages->pageSize = self::PAGE_SIZE;
        $pages->applyLimit($criteria);

        $sort = new CSort('UserGroup');
        $sort->applyOrder($criteria);

        $models = UserGroup::model()->findAll($criteria);

        $this->render('index', array(
            'models' => $models,
            'pages' => $pages,
            'sort' => $sort
        ));
//        $dataProvider=new CActiveDataProvider('UserGroup', array(
//            'pagination'=>array(
//            'pageSize'=>self::PAGE_SIZE,
//            ),
//        ));
//
//        $this->render('index',array(
//            'dataProvider'=>$dataProvider,
//        ));
    }

    /**
     * Returns the data model based on the primary key given in the GET variable.
     * If the data model is not found, an HTTP exception will be raised.
     */
    public function loadModel() {
        if($this->_model===null) {
            if(isset($_GET['id']))
                $this->_model=UserGroup::model()->findbyPk($_GET['id']);
            if($this->_model===null)
                throw new CHttpException(404,'The requested page does not exist.');
        }
        return $this->_model;
    }
}
